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发明名称
Method for opening a watchcase
摘要
申请公布号
US3273228(A)
申请公布日期
1966.09.20
申请号
US19630292025
申请日期
1963.07.01
申请人
ERNEST MORF
发明人
MORF ERNEST
分类号
G04B37/08;G04B39/02;G04D1/10;G04D3/06
主分类号
G04B37/08
代理机构
代理人
主权项
地址
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